Table 2.
Residual shunt rate of the PFO after closure by group.
| c-TTE results | Group I (n = 48) |
Group II (n = 70) |
P |
|---|---|---|---|
| 6-month follow-up | 0.033 | ||
| Negative | 33 (68.8) | 37 (52.9) | |
| Small residual RLS | 11 (22.9) | 15 (21.4) | |
| Moderate residual RLS | 2 (4.2) | 5 (7.1) | |
| Large residual RLS | 2 (4.2) | 13 (18.6) | |
| 12-month follow-up | 0.035 | ||
| Negative | 38 (79.1) | 45 (64.3) | |
| Small residual RLS | 7 (14.6) | 12 (17.1) | |
| Moderate residual RLS | 1 (2.1) | 4 (5.7) | |
| Large residual RLS | 2 (4.2) | 11 (15.7) |
PFO: patent foramen ovale; RLS: right-to-left shunt.